Name for a girl who has fucked more people then she can count on her fingers and toes.
Also a nick-name for a prostitute in 17th century England.
"Um, dude I think it was like Tonya or Sonya...no it was Lana... oh shit dude I can't remember."
"John you are such a fucking gooner!"
"Layla is such a gooner!"
"Any of you chaps up for a round with a gooner tonight?"